well let's round. 90= 100, 75=80 that is how I face it. now 80 is 1/5 of 5/5= 100. so as a (%) we would sort it like:::: it is 80% out of +100 so he must have grown around 13%-16% due to him being 75kg in the past.
Answer:
the answer is 9
Step-by-step explanation:
when doubled 9 is 18
18+7=25
Y e s
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